Leonidas — #508 US boys' name

What the Data Says About Leonidas

The Social Security Administration has registered 9,686 babies named Leonidas between 1880 and 2024, spanning 145 consecutive years of U.S. birth records. As a boy's name, Leonidas currently holds the #508 rank among boys for 2024. The name reached its historical peak in 2022, when 758 babies received it in a single year.

Decade-level aggregation shows that Leonidas performed strongest in the 2010s, accumulating 4,478 births during that ten-year window. Across the 15 decades of recorded activity, Leonidas shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in California, which accounts for 1,253 births — the largest state-level total in the dataset — followed by Texas and Florida. In total, SSA state-level files list Leonidas in 43 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Leonidas in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 9,686 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.